12BH7A-STR TAD Premium Selected (balanced)
Maximum of Reliability - Outstanding Tonal Quality! 1st Choice for Ampeq SVTs!The all-new TAD 12BH7A-STR combines the best sonic and mechanical performance of the NOS RCA black plate with advantages of the GE version. A maximum of reliability with outstanding tonal quality makes the new balanced selected TAD 12BH7A-STR the first choice for Ampeg SVT´s, the Blackstar HT-5 and high-end applications.
Q: When does a power tube become a
Premium Selected power tube?
A: All power tubes labeled
Premium Selected have passed the following tests:
- Plate Current (PC) and Amplification (TC)
- Low Noise Test
- Microphonic Test
- Sonic Tests
- Shock Tests
- Listening Tests
- Shorts & Leakage Tests
Matching and Selecting Options for Preamp TubesMatching in Pairs for preamp tubes means that two tubes show identical gain, hence, four characteristically identical systems.
This matching method includes our
Balance-Selection. We highly recommend this matching method for hi-fi systems.
TAD Premium Selected/Highgrade tubes are guaranteed for a period of 6 months (according to terms of warranties)
for the quality criteria mentioned above.
RohS Compliant
